MOLAR MASS EXAMS COMPILATION BUNDLE 2024/2025

Find the molar mass of glucose? (C6 H12 O6) 6X12.01=72.06 12X1.01=12.12 6X16=96 =180.18g Find the molar mass of Al2 (SO4)3 2X26.98=53.96 3X32.07=96.21 12X16=192 = 342.17g Find the molar mass of Ba (NO3)2 1X137.33=137.33 2X14.01=28.02 6X16=96 = 261.35g Find the percen...

Which is the molar mass of H2O? 18.02 g/mol What is the molar mass of CHCl3? 119.37 g/mol Which best compares 1 mol of sodium chloride to 1 mol of aluminum chloride? Both are made up of 6.02 x 10^23 formula units. Which is the formula mass of (NH4)2SO4? 132.17 amu Wha...

How does the number of molecules in 1 molecules of oxygen compare with the number of molecules in 1 molecules of nitrogen? Each sample has the same number of molecules. Magnesium and iron are metallic elements. How does a mole of magnesium compare with a mole of iron? They both have the sam...

How does the number of molecules in 1 mol of oxygen compare with the number of molecules in 1 mol of nitrogen? 1 mol of oxygen has fewer molecules. 1 mol of oxygen has more molecules. Each sample has the same number of molecules. The molecules cannot be compared without knowing the mass. ...

Avogadro's Number The number of atoms in 12.01 grams of Carbon Numerical Value of Avogadro's Number 6.02 × 10²³ parts Parts= Representative Particles 1) Atoms 2) Ions 3) Formula Units 4) Molecules Mole The SI unit of measure for an amount of a chemical substance ...

molar mass the volume of one mole of an ideal gas; equal to 22.42 liters at STP Standard temperature and pressure (STP) the condition 0℃ and 1 atmosphere of pressure molecular weight formula unit Ultimately, what is a chemical compound A chemical compound is, ultimatel...

A gas cylinder contains exactly 15 moles of oxygen gas (O2). How many molecules of oxygen are in the cylinder? 4.01 × 10^22 molecules 6.02 × 10^23 molecules 9.03 × 10^24 molecules 2.89 × 10^26 molecules 9.03 × 10^24 molecules A sample of sugar (C12H22O11) contains 1.505 × 1023 m...

Define: Avogadro's number 6.023x 10^23 One mole of a pure substance Define: Empirical Formula elements combined in a compound with subscripts showing the smallest whole-number mole ratio Define: Molecular formula a formula showing the types and numbers of atoms combined in a singl...

Avogadro's Number in honor of Amadeo Avogadro () The mole (mol) The unit for counting atoms. The mole is a unit for counting just as a dozen or a ream or a gross is used to count. Atomic mass for an element The average relative mass of all the isotopes for the element. 1...

The molar mass of iron is _____. 55.8 g/mol Oil of vitriol is a substance that humankind has known of for thousands of years! Today the substance is known by it's scientific name sulfuric acid and has the molecular formula H2SO4. What is the molar mass of H2SO4? 98.08 g/mol Calcula...